| Author |
DIY sequencers with trigger-per-step input like SH-101 |
| Jaytee |
One of the most beloved features of the 101 sequencer is the trigger/gate input—each rising edge advances the sequencer by one step. I am curious about DIY CV sequencers (standalone, module, whatever) that have the same functionality.
Off the top of my head, I’m only aware of the Division 6 Business Card Sequencer (and its dual eurorack sibling) but surely there are others? |
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| diophantine |
Is this any different than an external clock input?
Most sequencers that I know have that feature... MFOS, Klee, Synthasystem, RYO, etc. |
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| nicholasgreen |
There are a couple eurorack modules that have this functionality. Off the top of my head, Mutable Yarns and Intellijel Scales. And I believe with a little patching you could use the Shakmat Bishops Miscellany this way as well. Also Arturias Keystep if you're ok with a non-module. This is my favorite and most used feature of the Keystep.
I would love to know if there's a DIY (especially 4u) solution that does that does this, with lots of flexible CV for scrambling up the sequence in different ways. |
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| DozenCrows |
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| Jaytee |
| diophantine wrote: | Is this any different than an external clock input?
Most sequencers that I know have that feature... MFOS, Klee, Synthasystem, RYO, etc. |
 I don’t really know modular projects very well, I’ve always stuck more to standalones. Do they all advance the sequencer one step per clock pulse? |
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| Jaytee |
| nicholasgreen wrote: | There are a couple eurorack modules that have this functionality. Off the top of my head, Mutable Yarns and Intellijel Scales. And I believe with a little patching you could use the Shakmat Bishops Miscellany this way as well. Also Arturias Keystep if you're ok with a non-module. This is my favorite and most used feature of the Keystep.
I would love to know if there's a DIY (especially 4u) solution that does that does this, with lots of flexible CV for scrambling up the sequence in different ways. |
I have a Keystep but its sync is set up for Sync24. Plus, I’m looking for DIY 
I don’t think Yarns has a trigger input, although it imitates the 101 sequencer otherwise. I’ll check out the other two though. |
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| diophantine |
| Jaytee wrote: | | diophantine wrote: | Is this any different than an external clock input?
Most sequencers that I know have that feature... MFOS, Klee, Synthasystem, RYO, etc. |
I don’t really know modular projects very well, I’ve always stuck more to standalones. Do they all advance the sequencer one step per clock pulse? |
I'm honestly a bit about the SH-101, as I've not touched one for over a dozen years, and it was to move it between a friend's studio & a radio station. 
So are you looking for something where you can program a sequence and then step through it one-step-per-key-press, or something different?
And, if so, how do you want to be able to program that sequence, via a keyboard, or with a knob-per-step? |
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| Jaytee |
| diophantine wrote: | I'm honestly a bit about the SH-101, as I've not touched one for over a dozen years, and it was to move it between a friend's studio & a radio station.
So are you looking for something where you can program a sequence and then step through it one-step-per-key-press, or something different?
And, if so, how do you want to be able to program that sequence, via a keyboard, or with a knob-per-step? |
Basically, I want to be able to send triggers to a sequencer from a drum machine. I like the way that clocking a 101 in this way can get some interesting rhythms/melodies just by changing patterns on the drum machine.
I think I’d prefer something more like the 101 in terms of programming, where I can send note values from a keyboard (or other CV or MIDI source) and the number of steps is basically arbitrary, but I’m open to checking out just about anything. |
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| oozitron |
The MIDIBox sequencer (which is a 16 track pattern-based sequencer) has this ability. It uses MIDI notes as the "triggers", and those trigger notes can come from an external source, or from another track.
I made a batch of tutorials about the MBox sequencer; here's the one that demonstrates the "101-style" sequencing:
https://www.youtube.com/watch?v=rHESaRhfULs
Drew |
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| Luka |
| i know not exactly the same but what about a cv recorder? |
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| Jaytee |
| oozitron wrote: | The MIDIBox sequencer (which is a 16 track pattern-based sequencer) has this ability. It uses MIDI notes as the "triggers", and those trigger notes can come from an external source, or from another track.
I made a batch of tutorials about the MBox sequencer; here's the one that demonstrates the "101-style" sequencing:
https://www.youtube.com/watch?v=rHESaRhfULs
Drew |
Unfortunately I’m looking for an actual trigger input. I know this would be possible on the MB SEQ one way or another by rewriting some code, but do you know if this could be added without altering the firmware? I’m familiar with MIDIbox in general but haven’t ever delved too deeply into the SEQ. |
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| oozitron |
All the CV/Gate/Trigger stuff on the MIDIBox Seq is outputs. Adding voltage or trigger inputs would be a project.
But I would think the "Trigger to MIDI" module that Perfect Circuit builds would probably do the trick if you were taking triggers from your modular.
Or find an old drum machine that sends out MIDI notes. I use a TR-505 in "edit" mode so I can make new patterns on the fly.
Drew |
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| the bad producer |
I'm confused, isn't this just the CLOCK input on any sequencer? 
EG sequence o---o-oo-ooo-o of triggers from drum machine steps sequencer in pattern o---o-oo-ooo-o |
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| oozitron |
Well, most step sequencers can be advanced by a trigger/gate (not all), but step sequencers normally don't let you build a sequence by playing the notes from a keyboard, nor do they allow the number of notes that the SH-101 does.
So while the two features are not anything unique, the combination of them is.
Drew |
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| the bad producer |
Ah I was confused! Wasn’t someone developing a module based on the 101 sequencer, possibly a while ago? Probably confused again...
I guess so, just had a quick search which only turned up this functionality on the MidiGAL |
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| toneburst |
|
| soup |
I love the sh101 sequencer and my first ever diy project was the mutable instruments anushri, mostly because it has a sh101 style sequencer in it. I learned to solder to make it. My gateway drug. It also has a great (proto-grids?) drum machine and a fuzz circuit that makes it feel perfect for busking suicide covers.
Nowadays I use a keystep. |
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| Jaytee |
| the bad producer wrote: | I'm confused, isn't this just the CLOCK input on any sequencer?
EG sequence o---o-oo-ooo-o of triggers from drum machine steps sequencer in pattern o---o-oo-ooo-o |
I guess it’s a pretty common feature in modular sequencers. I think I’m just used to MIDI/DIN sync where the resolution of the sync signal is higher than one per step.
But yeah, I guess I’m looking for something a bit closer to the 101 sequencer than most modular sequencers get, even if I said the trigger input was the one thing I wanted |
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| the bad producer |
| Cool - wish you'd not started this thread and asked TBH as now it looks like I'll have to build myself a Per|former |
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| Jaytee |
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| latigid on |
| The midiphy SEQ v4+ has (currently unused) gate + footswitch inputs. Could hack one in or request a feature. |
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| Wigoz |
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| Jaytee |
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| prphnc |
I was also looking for an 101 style sequencer and ended up with a brain seed. You can program note by note and trigger note by note. But no Portamento.
Arturia Keystep doesn't function this way. If you feed it wis irregular triggers it tries to calculate a speed out of it. |
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| prphnc |
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